wrong. and in hospitals, a transfer is highly coordinated thing, again, even within the hospital, to go get a cat scan, for example. here you're taking someone out into the elements. one thing i want to add about the generators, i've been asking a lot of people about this, for example, here at bellevue, they do have these large tanks close to the generators, 250-gallon tanks, for example, to try to hold excess fuel close to the generators, up high. but that's about six hours' worth, because they take about 40 gallons an hour to fuel these things. so they had the pumps again downstairs, but some of the tanks upstairs. >> sanjay, appreciate it. dr. redlener, what did we learn from katrina? you and i spent many, many hours talking about the aftermath of katrina. so what's the big takeaway and when do we implement that across the country? >> there's one big takeaway and it has to do with the general condition of infrastructure across the united states, and a small part of that, though a critical part, is the condition of hospitals and vital health care facilities.